CVE-2025-49154: An insecure access control vulnerability in Trend Micro Apex One and Trend Micro Worry-Free Business Security
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Routine
HIGH 8.7DOWNGRADEUPGRADEUPGRADE
CVE-2025-49154 is a high-severity flaw (CVSS 8.7) affecting worry-free business security, worry-free business security services, apex one. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An insecure access control vulnerability in Trend Micro Apex One and Trend Micro Worry-Free Business Security could allow a local attacker to overwrite key memory-mapped files which could then have severe consequences for the security and stability of affected installations.
Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
Verify at the official sourceNVD · CVE Program · Report a problem with this page Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-49154?
worry-free business security: downgrade or apply the listed mitigation; worry-free business security services: upgrade to 6.7.3954, 14.3.1299; apex one: upgrade to 14.0.0.14002, 14.0.14492. Exact commands for each OS are on this page.
Is CVE-2025-49154 being exploited?
CVE-2025-49154 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-49154 affect?
CVE-2025-49154 affects worry-free business security, worry-free business security services, apex one. Severity is high (CVSS 8.7). An insecure access control vulnerability in Trend Micro Apex One and Trend Micro Worry-Free Business Security could allow a local attacker to overwrite key memory-mapped files which could then have severe consequences for the security and s